advertising for third parties in the field of electrical engineering, electronics, informatics, leasing of business machines and equipment; business consultancy; organizational consultancy, managerial consultancy

arranging credit facilities; real-estate and property management as well as letting housing for third parties; leasing of electrical and electronic equipment, products and facilities, and of products in the field of informatics

renting of machines, tools and devices for civil engineering and building construction; renting of products involving electrical engineering, electronics and computer science, in particular measuring and test devices and related computer equipment; civil engineering and building construction; repair of appliances, devices and equipment in the fields of electrical engineering, electronics, optics and precision mechanics; installation, overhaul, maintenance, renovation, recycling and reconstruction of technical equipment and products involving electrical engineering, electronics, optics and precision mechanics and of tools, land vehicles, aircraft and watercraft, buildings including their technical facilities, production and storage facilities of industry and trade including power generation and distribution facilities, including restoration of damage caused by environmental effects, by the occurrence of events causing damage (eg damage caused by fire, water, acids and dust) or by toxic substances and which affects or endangers the serviceability of the technical equipment; overground workings, underground workings and civil engineering; installation, assembly, maintenance and repair of telecommunication devices and networks

leasing of communications transmission devices and equipment; operation and administration of telecommunication systems, networks and pertinent facilities and parts; renting of telecommunication appliances, devices and networks

metal-working and hardening as well as surface finishing

assessments, estimates, investigations and elaboration of expert opinions in the fields of electrical engineering, electronics, optics and precision mechanics; research and development for others in the fields of electrical engineering, electronics, computer science, physics, chemistry and mechanical engineering as well as planning, consultancy, engineering and technical supervision in these fields; construction and design planning and consultancy; generation of data processing programs; consultancy for the setting up and operation of communications systems and telecommunication networks; development and design engineering of telecommunication and information processing services and facilities and of telecommunication networks; planning and design engineering of telecommunication systems, networks and pertinent facilities and parts thereof